• USB in DMA mode
    Hi every body I want to get data from PC and store in arm memory and after process sent by ssp. I use usb_cdc mode and i can't initialize usb in DMA mode. I use uvision 5 and the project is here:...
  • LPC1769 USB DMA Mode
    Hi, I am currently using IN EP3 of the LPC1769 to realize Isochronous transactions to the Host. I have configured the this endpoint in the DMA mode LPC_USB->EpDMAEn = 0x80; I enable the DMA...
  • USB and MSC class sample
    Hi everyone, I've used mass storage code from sample codes of KEIL on AT91SAM7x256. And it works correctly; Now I want to change the Memory size show in the My computer (it always show 6 kB!). I'v...
  • USB MSC & Windows7
    Hi, some time ago I implemented Mass Storage device to access SD Card via USB (lpc23xx). The design was inspired by the Keil free example (accessing RAM via MSC). - Windows XP 32bit recognizes...
  • msc write usb delay
    Hi all, I'm using FatFs ChaN R011a and STM32F4 HOST library 2.2.0 relasead on 2015 to develop a mass storage class usb data logger. I noticed a strange behaviour flushing the logging data on some usb...